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STD 12 -1. Solution and colligative properties — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 -1. Solution and colligative properties4 Marks
MCQ
Compound $PdCl_4 .6H_2O$ is a hydrated complex; $1\, molal$ aqueous solution of it has freezing point $269.28\, K$. Assuming $100\%$ ionization of complex, calculate the molecular formula of the complex ($K_f$ for water $= 1.86\, K\, kg\, mol^{-1}$)
  • A
    $[Pd(H_2O)_6]Cl_4$
  • B
    $[Pd(H_2O)_4Cl_2]Cl_2.2H_2O$
  • ✓
    $[Pd(H_2O)_3Cl_3]Cl.3H_2O$
  • D
    $[Pd(H_2O)_2Cl_4].4H_2O$
✓

Answer

Correct option: C.
$[Pd(H_2O)_3Cl_3]Cl.3H_2O$
c

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